The Seasonic VERTEX GX-1000 is the objective winner of this comparison, securing more individual specification victories than its counterpart. Its most significant advantage is the inclusion of a 12VHPWR connector, which represents a 100% improvement over the Seasonic Focus GX-1000. While both units share several identical specifications, the superior connectivity offered by the VERTEX GX-1000 makes it the more modern and versatile choice for current hardware configurations.

Users should select the Seasonic VERTEX GX-1000 if they require the 12VHPWR connector for modern graphics cards, as this feature provides a clear functional edge. Conversely, the Seasonic Focus GX-1000 is the better option for budget-conscious builders who do not require that specific connector. By choosing the Focus GX-1000, buyers benefit from a 21% better MSRP, allowing them to allocate their remaining funds elsewhere while still obtaining a reliable power supply.